“Potassium Chloride?”Here!potassium
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As a supplement
Talk to your doctor or pharmacist.
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A mineral salt formed from potassium and chloride, commonly used both as a food ingredient and as a source of potassium in supplements and salt substitutes.
Why it’s used
Taken to supply potassium, an essential mineral involved in nerve signaling, muscle contraction, and fluid balance.
What the evidence is for
supporting normal nerve and muscle function and fluid balance.
What the evidence says
The NIH Office of Dietary Supplements' potassium fact sheet describes potassium as essential to normal physiological function, with established dietary reference values, though most people's needs are met through food and supplement doses are typically kept modest for safety reasons related to serum potassium levels.
Context
Dietary reference intakes for potassium are based on population intake data and physiological requirement studies rather than on high-dose supplemental trials.
Rumors
Supporting normal nerve and muscle function and fluid balance.
Supports — establishedhealth and safety evidence
Measured as a biomarker.
- Potassium — Fact Sheet for Health Professionals (Regulatory) · Funding not checked
How much is a reference amount
- 2,600 mg a dayfor adults 19 and over, women · Adequate Intake
No upper limit has been set — the data was not sufficient to set one, which is a gap in the research rather than a finding about safety.
- 3,400 mg a dayfor adults 19 and over, men · Adequate Intake
No upper limit has been set — the data was not sufficient to set one, which is a gap in the research rather than a finding about safety.
The 2019 committee set no UL for potassium. The legacy corpus stored 2600–3400 as a range; it is the AI for women and the AI for men.
Every applicable line is shown because we don’t know which one is yours, and a reference intake is a target for a population, not a threshold for harm.